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Finding the Fourth Proportional to 36,507.84, 50,377.78 and 20,596.20

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Solution

The fourth proportional to 36,507.84, 50,377.78 and 20,596.20 is: 28,421.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,507.84 : 50,377.78 = 20,596.20 : x
  2. Step 2: Convert to fraction form
    36,507.84/50,377.78 = 20,596.20/x
  3. Step 3: Cross multiply
    36,507.84x = 50,377.78 × 20,596.20
  4. Step 4: Simplify right side
    36,507.84x = 1,037,590,832.44
  5. Step 5: Solve for x
    x = 1,037,590,832.44/36,507.84
  6. Step 6: Final answer
    x = 28,421.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.